#2D3B8E#2D3B8E

#2D3B8E is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.2% C 0.138 H 271.3°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#2D3B8E
RGB	rgb(45, 59, 142)
HSL	hsl(231, 52%, 37%)
HSV	hsv(231, 68%, 56%)
CMYK	cmyk(68.3%, 58.5%, 0%, 44.3%)
CIE-LAB	lab(28.48, 22.99, -47.83)
CIE-LCH	lch(28.48, 53.07, 295.67°)
OKLab	oklab(39.23% 0.0032 -0.1377)
OKLCH	oklch(39.23% 0.138 271.3)
XYZ	xyz(7.5270, 5.6381, 26.2775)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3B8E #8E802D

analogous

#2D6C8E #2D3B8E #502D8E

triadic

#2D3B8E #8E2D3B #3B8E2D

tetradic

#2D3B8E #8E2D6C #8E802D #2D8E50

square

#2D3B8E #8E2D6C #8E802D #2D8E50

split-complementary

#2D3B8E #8E502D #6C8E2D

monochromatic

#101431 #1E2860 #2D3B8E #3C4EBC #6776CF

Accessibility & contrast

On white

9.87

#2D3B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2D3B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3B8E

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3B8E	#FFFFFF	#000000	##FFFFFF
##2D3B8E	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004891

Deuteranopia (green-blind)

#003F8C

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2d3b8e;
/* rgb */ color: rgb(45, 59, 142);
/* oklch */ color: oklch(39.2% 0.138 271.3);

Tailwind

colors: {
  custom: {
    50: '#7270b0',
    500: '#2d3b8e',
    950: '#000000',
  },
}

SCSS

$custom: #2d3b8e;
$custom-light: #7270b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3b8e",
  "rgb": {
    "r": 45,
    "g": 59,
    "b": 142
  },
  "hsl": {
    "h": 231.34,
    "s": 51.872,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39234,
    "c": 0.13771,
    "h": 271.3
  },
  "luminance": 0.05639
}

Semantic roles & 50–950 ramp

primary

#2D3B8E

secondary

#B5A961

accent

#C74CDB

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2D3B8E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →